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Analysis
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max time kernel
120s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21/09/2024, 01:15
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
3838f56feb6c0017af4bab738549977d6e38082653a7c0c0c272fb5e9dbca818N.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
120 seconds
Behavioral task
behavioral2
Sample
3838f56feb6c0017af4bab738549977d6e38082653a7c0c0c272fb5e9dbca818N.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
120 seconds
General
-
Target
3838f56feb6c0017af4bab738549977d6e38082653a7c0c0c272fb5e9dbca818N.exe
-
Size
53KB
-
MD5
31b09709f9e97ee930c7ea3dbf627950
-
SHA1
2db47e622cf4bfc352e36fd7e794e6160e864a48
-
SHA256
3838f56feb6c0017af4bab738549977d6e38082653a7c0c0c272fb5e9dbca818
-
SHA512
c451bdceab3c87b190c4899f6646a1d4805643c636b4b9b745b68c952704de1bcedd5540ce7dcc564217675ac6a7f3d78ca6f6e3ec5d2888a92cde6ae8afff62
-
SSDEEP
1536:vNbg8r8QUxWsqpuV7Kp3StjEMjmLM3ztDJWZsXy4JzxPME:aWTQJJjmLM3zRJWZsXy4Jt
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" riuyoh.exe -
Executes dropped EXE 1 IoCs
pid Process 2456 riuyoh.exe -
Loads dropped DLL 2 IoCs
pid Process 2308 3838f56feb6c0017af4bab738549977d6e38082653a7c0c0c272fb5e9dbca818N.exe 2308 3838f56feb6c0017af4bab738549977d6e38082653a7c0c0c272fb5e9dbca818N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuyoh = "C:\\Users\\Admin\\riuyoh.exe" riuyoh.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3838f56feb6c0017af4bab738549977d6e38082653a7c0c0c272fb5e9dbca818N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language riuyoh.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe 2456 riuyoh.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2308 3838f56feb6c0017af4bab738549977d6e38082653a7c0c0c272fb5e9dbca818N.exe 2456 riuyoh.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2308 wrote to memory of 2456 2308 3838f56feb6c0017af4bab738549977d6e38082653a7c0c0c272fb5e9dbca818N.exe 31 PID 2308 wrote to memory of 2456 2308 3838f56feb6c0017af4bab738549977d6e38082653a7c0c0c272fb5e9dbca818N.exe 31 PID 2308 wrote to memory of 2456 2308 3838f56feb6c0017af4bab738549977d6e38082653a7c0c0c272fb5e9dbca818N.exe 31 PID 2308 wrote to memory of 2456 2308 3838f56feb6c0017af4bab738549977d6e38082653a7c0c0c272fb5e9dbca818N.exe 31 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30 PID 2456 wrote to memory of 2308 2456 riuyoh.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\3838f56feb6c0017af4bab738549977d6e38082653a7c0c0c272fb5e9dbca818N.exe"C:\Users\Admin\AppData\Local\Temp\3838f56feb6c0017af4bab738549977d6e38082653a7c0c0c272fb5e9dbca818N.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2308 -
C:\Users\Admin\riuyoh.exe"C:\Users\Admin\riuyoh.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2456
-
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
53KB
MD51f2310d5a21a2f5e5855dbceb09ad4cc
SHA16abe5b4c7381bb89e6d1c60865269899f694c2db
SHA256da394760a58a9a3f7e2f27cd1a671c722a07841074324ceddd3d64b0eec3f732
SHA5128c6644bae0121dbda9d61ad5ae8f2d9c8cface769523021b338e5215efd39ce935c3a3c5256999671c1d6383efdcc8be08c1aef89a04ae55f1e4706bf4d22895